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Separation of business logic and data access in django
...re both valid options and it is not unusual to mix the two approaches.
The service layer
The service module has already been described by @Hedde. Here you define a separate module and each command is represented as a function.
services.py
def activate_user(user_id):
user = User.objects.get(pk=us...
PHP Fatal error: Call to undefined function json_decode()
...ersion you're running)
Then of course make sure you restart Apache:
sudo service apache2 restart
Or if you are using PHP-FPM:
sudo service php7.2-fpm restart
(Or php7.1-fpm or php5-fpm)
Explanation
Debian has removed the previous JSON extension as of PHP 5.5rc2 due to a license conflict.
T...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkconfig iptables off
关闭SELinux的方法：...
BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...e framework）。
由上图可知，GATT中的三个要素Profile、Service、Characteristic以及他们的层级关系。值得注意的是，“Profile”是基于GATT所派生出的真正的Profile，乃SIG蓝牙技术联盟对一些同范畴内的Service打包后的集合，如电池、...
Can I get Memcached running on a Windows (x64) 64bit environment?
... blog URL has changed though:
32-bit binary of memcached 1.4.4 as Windows-service:
http://blog.couchbase.com/memcached-144-windows-32-bit-binary-now-available
http://s3.amazonaws.com/downloads.northscale.com/memcached-win32-1.4.4-14.zip
64-bit binary of memcached 1.4.4 as Windows-service:
http:...
What is the difference between an IntentService and a Service? [duplicate]
Can you please help me understand what the difference between an IntentService and a Service is?
8 Answers
...
How to change Elasticsearch max memory size
... they were referred to some previous distribution.
On Debian 8 modify the service script normally place in /usr/lib/systemd/system/elasticsearch.service, and add Environment=ES_HEAP_SIZE=8G
just below the other "Environment=*" lines.
Now reload the service script with systemctl daemon-reload and ...
HTTP Error 503. The service is unavailable. App pool stops on accessing website
...
This answer helped me troubleshoot a similar problem. "Service Unavailable" error fixed by removing Core 2.2 (repair alone did not fix). up vote.
– Roberto
Dec 20 '18 at 18:46
...
Non-Singleton Services in AngularJS
AngularJS clearly states in its documentation that Services are Singletons:
8 Answers
...
Verify if a point is Land or Water in Google Maps
...cess will be done on client's machine. No need of creating own server side service.
Cons - Very inaccurate and the chances you will get "none" at waters is very high.
You can detect waters/lands by pixels, by using Google Static Maps. But for this purpose you need to create http service.
These ar...